Check your port alignment on the ProComp while you have it off. Some have the ports on one bank shifted over an eighth inch due to casting problems. Bolt holes align fine so you can just set an intake gasket on each side and see if they are off.
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Mick Batson
1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon in progress.
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